Finding the Fourth Proportional to 110,130.60, 165,202.18 and 31,238.62
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Solution
The fourth proportional to 110,130.60, 165,202.18 and 31,238.62 is: 46,859.71
Step by Step Solution
- Step 1: Write the proportion equation
110,130.60 : 165,202.18 = 31,238.62 : x - Step 2: Convert to fraction form
110,130.60/165,202.18 = 31,238.62/x - Step 3: Cross multiply
110,130.60x = 165,202.18 × 31,238.62 - Step 4: Simplify right side
110,130.60x = 5,160,688,124.19 - Step 5: Solve for x
x = 5,160,688,124.19/110,130.60 - Step 6: Final answer
x = 46,859.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.